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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 20:08

General

  • Target

    2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe

  • Size

    767KB

  • MD5

    05ef4c8c01d1ac5677050f185e7ba624

  • SHA1

    45aea96a93da7d0f845e9913e1423c2b3a9e4487

  • SHA256

    2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed

  • SHA512

    add4ec2bc7be955c1a70233e3f5858510ce8a8d062295b6c8942bfffbe4f72296c5749b10f453617fb6b823cd26cc5eb9e3ce59dea421df55f74b4849617e95c

  • SSDEEP

    12288:tCVg8byeA9Mv/S/TXp7ajg+nmHFy9tOMBj1P589O7ZoxhGk5J:MBBA9CGTp762y9tOE1B89O16UG

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe
    "C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe
      "C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe"
      2⤵
        PID:2900
      • C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe
        "C:\Users\Admin\AppData\Local\Temp\2cbcfbd1e6f6eadb2443afec2d5c07c258d2b30cacb5c493796221cd91319fed.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1076-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1076-19-0x0000000074EA0000-0x0000000075650000-memory.dmp

      Filesize

      7.7MB

    • memory/1076-18-0x00000000069E0000-0x0000000006A30000-memory.dmp

      Filesize

      320KB

    • memory/1076-16-0x0000000005330000-0x0000000005396000-memory.dmp

      Filesize

      408KB

    • memory/1076-15-0x0000000074EA0000-0x0000000075650000-memory.dmp

      Filesize

      7.7MB

    • memory/1076-13-0x0000000074EA0000-0x0000000075650000-memory.dmp

      Filesize

      7.7MB

    • memory/2564-8-0x0000000005490000-0x00000000054A0000-memory.dmp

      Filesize

      64KB

    • memory/2564-7-0x0000000005000000-0x000000000500C000-memory.dmp

      Filesize

      48KB

    • memory/2564-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

      Filesize

      4KB

    • memory/2564-9-0x00000000061C0000-0x0000000006244000-memory.dmp

      Filesize

      528KB

    • memory/2564-10-0x0000000009CF0000-0x0000000009D8C000-memory.dmp

      Filesize

      624KB

    • memory/2564-6-0x0000000004FE0000-0x0000000004FF6000-memory.dmp

      Filesize

      88KB

    • memory/2564-14-0x0000000074EA0000-0x0000000075650000-memory.dmp

      Filesize

      7.7MB

    • memory/2564-5-0x0000000074EA0000-0x0000000075650000-memory.dmp

      Filesize

      7.7MB

    • memory/2564-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

      Filesize

      40KB

    • memory/2564-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

      Filesize

      584KB

    • memory/2564-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

      Filesize

      5.6MB

    • memory/2564-1-0x0000000000380000-0x0000000000446000-memory.dmp

      Filesize

      792KB